I searched and found this thread: but figured i've thread jacked him enough and I'd start my own.

Here's the deal. On Sunday I purchased an 02 F250 Lariat 4x4 with either a 6" or 8" lift. When I go to put it into 4wd it appears to engage but when i try and drive i hear clunk clunk clunk clunk. I remove it from 4wd and all seems fine. On the thread below they said it was a wheel bearing but last night I took my truck to a friend of mine that used to work for 4wheelparts as an installer and he told me that he thinks because of my lift the driveshaft has too much of an angle and can't spin right. The lift is a Fabtech lift. What modifications need to be done to the driveshaft if any with a lift? I'm supposed to take it back to the dealer to get this issue addressed tomorrow but I wanted a little more info on what could be causing this to not seem so clueless. I also just got off the phone with another friend of mine and he says for my truck they sell a driveline spacer thats recommended when you lift a truck. He says he thinks I may not have it. He's going to come by my place tonight and help me look the truck over.

I took my truck to another shop (powertrain industries) and they confirmed that my driveshaft is broken. They quoted me 490 to rebuild my driveshaft with oem parts but I don't have that kind of money. Does anyone know where I can find a decent driveshaft new or used for a good price. I need the front driveshaft.

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